Original attic condition

R19 Attic Insulation

Code-level Attic Insulation

Attic system modification

Add RB, improve ducts, add insulation

Add RB, improve ducts

Add RB, add insulation

Add RB

Add RB, improve ducts

Add RB

Miami  (1)

$460

$430

$180

$140

$410

$120

Austin (2)

$730

$670

$240

$150

$610

$120

Atlanta (3)

$670

$600

$200

$80

$540

$70

Baltimore (4)

$1,210

$1,070

$320

$80

$950

$60

Chicago (5)

$1,150

$1,020

$280

$60

$910

$40

Minneapolis (6)

$1,250

$1,080

$300

$45

$970

$25

Fargo (7)

$1,080

$940

$260

$35

$830

$15

Fairbanks (8)

$1,540

$1,340

$300

$25

$1,240

$0